If you are getting this kind of error the the permissions on your files are modified incorrectly:
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@ WARNING: UNPROTECTED PRIVATE KEY FILE! @
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Permissions 0744 for '/home/your_name/.ssh/id_rsa' are too open.
It is recommended that your private key files are NOT accessible by others.
This private key will be ignored.
bad permissions: ignore key: /home/your_name/.ssh/id_rsa
@ .ssh $ ls -alt
..
-rw-r--r--@ 1 your_name staff 222 Nov 26 2012 id_rsa.pub
-rw-r--r-- 1 your_name staff 887 Nov 20 2012 id_rsa
...
@ .ssh $
To fix this problem change permissions:
@ .ssh $ chmod 600 id_rsa
@ .ssh $ chmod 600 id_rsa.pub
@ .ssh $ ls -alt
total 80
...
-rw-------@ 1 uki staff 222 Nov 26 2012 id_rsa.pub
-rw------- 1 uki staff 887 Nov 20 2012 id_rsa_cnh
...
@ .ssh $
